Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002578 | Ceramic substrate, circuit substrate and electronic circuit substrate by use thereof and method for preparing ceramic substrate | Keiichi Kato | 1999-12-14 |
| 5980122 | Light blocking apparatus for a camera | Masaki Higashihara, Hideo Tamamura, Etsuro Suzuki, Hiroyuki Kasuga, Hidetoshi Matsuoka +3 more | 1999-11-09 |
| 5571761 | Ceramic substrate circuit substrate | Keiichi Kato | 1996-11-05 |
| 5102719 | Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic | Keiichi Kato, Matsato Nagano, Michiaki Sakaguchi | 1992-04-07 |
| 5077632 | Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1991-12-31 |
| 5041327 | Ceramic and circuit substrate and electronic circuit substrate by use thereof | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1991-08-20 |
| 5034260 | Ceramic and circuit substrate and electronic circuit substrate by use thereof | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1991-07-23 |
| 5006957 | Semiconductor porcelain substrate, dielectric porcelain substrate and capacitor employing the composition | Keiichi Kato, Humio Takeuti, Masato Nagano, Michiaki Sakaguchi | 1991-04-09 |
| 4992399 | Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1991-02-12 |
| 4952538 | Ceramic and circuit substrate and electronic circuit substrate by use thereof | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1990-08-28 |
| 4943469 | Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1990-07-24 |
| 4942079 | Ceramic and circuit substrate and electronic circuit substrate by use thereof | Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1990-07-17 |
| 4759965 | Ceramic, preparation thereof and electronic circuit substrate by use thereof | Keiichi Kato | 1988-07-26 |
| 4736230 | Composition for semiconductor porcelain, and semiconductor porcelain and capacitor by use of same | Masato Nagano, Michiaki Sakaguchi | 1988-04-05 |
| 4654750 | Functional substrate and electronic circuit substrate using the same | — | 1987-03-31 |